Communication system including a wire network linked with...

Details Communication system including a wire network linked with... Communication system including a wire network linked with...

2006-11-14

2006-11-14

Bayard, Emmanuel (Department: 2611)

Pulse or digital communications

Transmitters

C370S254000, C370S278000

Reexamination Certificate

active

07136426

ABSTRACT:
A vehicle-vehicle communication system includes an in-vehicle wire LAN established in a vehicle. The in-vehicle wire LAN includes a plurality of devices connected by optical fiber links. A terminal for radio vehicle-vehicle communication is connected to the in-vehicle wire LAN by the optical fiber link. The terminal receives an optical digital signal in a predetermined format from the in-vehicle wire LAN. The terminal includes a light controlled oscillator and applies the received optical signal to the light controlled oscillator. The light controlled oscillator outputs a transmission signal of a frequency shifted from a predetermined frequency according to the intensity of the applied optical signal. Thus the terminal generates the transmission signal using FSK-modulation technique without converting the format of the optical signal into another format. The transmission signal is transmitted to a device in another vehicle via radio waves.

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